From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Query regarding the possibility of removing felt glands from car engine valves to adopt double valve springs.
| Identifier | ExFiles\Box 144\3\ scan0017 | |
| Date | 1st April 1927 | |
| To Hs.{Lord Ernest Hives - Chair} from E.{Mr Elliott - Chief Engineer} c. to BJ. BY.{R.W. Bailey - Chief Engineer} 4986 E2/M23. 4. 27. RE. FELT GLANDS ON VALVE GEAR. X.8060 X.986 We should like to know if you consider it possible to do without the felt glands at present used on car engine valves, as if so, it will enable us to adopt double valve springs. E.{Mr Elliott - Chief Engineer} | ||